From: Balamuruhan S <bala24@linux.ibm.com>
To: mpe@ellerman.id.au
Cc: ravi.bangoria@linux.ibm.com, jniethe5@gmail.com,
Balamuruhan S <bala24@linux.ibm.com>,
paulus@samba.org, sandipan@linux.ibm.com,
naveen.n.rao@linux.vnet.ibm.com, linuxppc-dev@lists.ozlabs.org
Subject: [PATCH 1/2] powerpc test_emulate_step: fix DS operand in ld encoding to appropriate value
Date: Wed, 11 Mar 2020 11:44:16 +0530 [thread overview]
Message-ID: <20200311061417.384629-1-bala24@linux.ibm.com> (raw)
ld instruction should have 14 bit immediate field (DS) concatenated with
0b00 on the right, encode it accordingly.
Fixes: 4ceae137bdab ("powerpc: emulate_step() tests for load/store instructions")
Reviewed-by: Sandipan Das <sandipan@linux.ibm.com>
Signed-off-by: Balamuruhan S <bala24@linux.ibm.com>
---
arch/powerpc/lib/test_emulate_step.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/arch/powerpc/lib/test_emulate_step.c b/arch/powerpc/lib/test_emulate_step.c
index 42347067739c..51c254fd15b5 100644
--- a/arch/powerpc/lib/test_emulate_step.c
+++ b/arch/powerpc/lib/test_emulate_step.c
@@ -19,7 +19,7 @@
* definitions.
*/
#define TEST_LD(r, base, i) (PPC_INST_LD | ___PPC_RT(r) | \
- ___PPC_RA(base) | IMM_L(i))
+ ___PPC_RA(base) | ((i) & 0xfffc))
#define TEST_LWZ(r, base, i) (PPC_INST_LWZ | ___PPC_RT(r) | \
___PPC_RA(base) | IMM_L(i))
#define TEST_LWZX(t, a, b) (PPC_INST_LWZX | ___PPC_RT(t) | \
base-commit: 5aa19adac1f3152a5fd3b865a1ab46bb845d3696
--
2.24.1
next reply other threads:[~2020-03-11 6:23 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-03-11 6:14 Balamuruhan S [this message]
2020-03-11 6:14 ` [PATCH 2/2] powerpc test_emulate_step: add macro for 14 bit immediate field Balamuruhan S
2020-03-11 7:01 ` [PATCH 1/2] powerpc test_emulate_step: fix DS operand in ld encoding to appropriate value Christophe Leroy
2020-03-11 7:21 ` Balamuruhan S
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